POWER WINDOW CONTROL SYSTEM TERMINALS OF ECU

  1. POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY

    A011XCJE23

    1. Disconnect the K11 power window regulator master switch assembly connector.

    2. Measure the voltage and resistance according to the value(s) in the table below.

      Tech Tips

      Measure the values on the wire harness side with the connector disconnected.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      K11-1 (E) - Body ground W-B - Body ground Ground Always Below 1 Ω
      K11-6 (B) - K11-1 (E) LG - W-B Power supply Power switch on (IG) 11 to 14 V

      If the result is not as specified, there may be a malfunction in the wire harness.

    3. Reconnect the K11 power window regulator master switch assembly connector.

    4. Measure the voltage according to the value(s) in the table below.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      K11-8 (U) - K11-1 (E) L - W-B Power window motor UP output Power switch on (IG), driver door power window switch OFF → UP (Manual operation) 11 to 14 V → Below 1 V
      K11-4 (A) - K11-1 (E) B - W-B Power window motor AUTO UP output Power switch on (IG), driver door power window fully open → driver door power window switch UP (AUTO UP position) → driver door power window fully closed 11 to 14 V → Below 1 V → 11 to 14 V
      Power window motor AUTO DOWN output Power switch on (IG), driver door power window fully closed → driver door power window switch DOWN (AUTO DOWN position) → driver door power window fully open 11 to 14 V → Below 1 V → 11 to 14 V
      K11-5 (D) - K11-1 (E) V - W-B Power window motor DOWN output Power switch on (IG), driver door power window switch OFF → DOWN (Manual operation) 11 to 14 V → Below 1 V
      K11-16 (U) - K11-1 (E) W - W-B Power window motor UP output Power switch on (IG), front passenger door power window switch OFF → UP (Manual operation) Below 1 V → 11 to 14 V
      K11-15 (D) - K11-1 (E) R - W-B Power window motor DOWN output Power switch on (IG), front passenger door power window switch OFF → DOWN (Manual operation) Below 1 V → 11 to 14 V
      K11-12 (U) - K11-1 (E) L - W-B Power window motor UP output Power switch on (IG), rear LH door power window switch OFF → UP (Manual operation) Below 1 V → 11 to 14 V
      K11-13 (D) - K11-1 (E) B - W-B Power window motor DOWN output Power switch on (IG), rear LH door power window switch OFF → DOWN (Manual operation) Below 1 V → 11 to 14 V
      K11-10 (U) - K11-1 (E) Y - W-B Power window motor UP output Power switch on (IG), rear RH door power window switch OFF → UP (Manual operation) Below 1 V → 11 to 14 V
      K11-18 (D) - K11-1 (E) LG - W-B Power window motor DOWN output Power switch on (IG), rear RH door power window switch OFF → DOWN (Manual operation) Below 1 V → 11 to 14 V

      If the result is not as specified, the power window regulator master switch assembly may be malfunctioning.

  2. CHECK POWER WINDOW REGULATOR SWITCH ASSEMBLY (for Front Passenger Door)

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    1. Disconnect the J11 power window regulator switch assembly (for front passenger door) connector.

    2. Measure the voltage according to the value(s) in the table below.

      Tech Tips

      Measure the values on the wire harness side with the connector disconnected.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      J11-3 (B) - Body ground GR - Body ground Power supply Power switch on (IG) 11 to 14 V

      If the result is not as specified, there may be a malfunction in the wire harness.

    3. Reconnect the J11 power window regulator switch assembly (for front passenger door) connector.

    4. Measure the voltage according to the value(s) in the table below.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      J11-4 (U) - Body ground G - Body ground Power window motor UP output Power switch on (IG), front passenger door power window switch OFF → UP (Manual operation) Below 1 V → 11 to 14 V
      J11-1 (D) - Body ground Y - Body ground Power window motor DOWN output Power switch on (IG), front passenger door power window switch OFF → DOWN (Manual operation) Below 1 V → 11 to 14 V

      If the result is not as specified, the power window regulator switch assembly (for front passenger door) may be malfunctioning.

  3. CHECK POWER WINDOW REGULATOR SWITCH ASSEMBLY (for Rear LH Door)

    A011XN1E28

    1. Disconnect the M6 power window regulator switch assembly (for rear LH door) connector.

    2. Measure the voltage according to the value(s) in the table below.

      Tech Tips

      Measure the values on the wire harness side with the connector disconnected.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      M6-3 (B) - Body ground G - Body ground Power supply Power switch on (IG) 11 to 14 V

      If the result is not as specified, there may be a malfunction in the wire harness.

    3. Reconnect the M6 power window regulator switch assembly (for rear LH door) connector.

    4. Measure the voltage according to the value(s) in the table below.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      M6-4 (U) - Body ground B - Body ground Power window motor UP output Power switch on (IG), rear LH door power window switch OFF → UP (Manual operation) Below 1 V → 11 to 14 V
      M6-1 (D) - Body ground R - Body ground Power window motor DOWN output Power switch on (IG), rear LH door power window switch OFF → DOWN (Manual operation) Below 1 V → 11 to 14 V

      If the result is not as specified, the power window regulator switch assembly (for rear LH door) may be malfunctioning.

  4. CHECK POWER WINDOW REGULATOR SWITCH ASSEMBLY (for Rear RH Door)

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    1. Disconnect the L6 power window regulator switch assembly (for rear RH door) connector.

    2. Measure the voltage according to the value(s) in the table below.

      Tech Tips

      Measure the values on the wire harness side with the connector disconnected.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      L6-3 (B) - Body ground G - Body ground Power supply Power switch on (IG) 11 to 14 V

      If the result is not as specified, there may be a malfunction in the wire harness.

    3. Reconnect the L6 power window regulator switch assembly (for rear RH door) connector.

    4. Measure the voltage according to the value(s) in the table below.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      L6-4 (U) - Body ground B - Body ground Power window motor UP output Power switch on (IG), rear RH door power window switch OFF → UP (Manual operation) Below 1 V → 11 to 14 V
      L6-1 (D) - Body ground R - Body ground Power window motor DOWN output Power switch on (IG), rear RH door power window switch OFF → DOWN (Manual operation) Below 1 V → 11 to 14 V

      If the result is not as specified, the power window regulator switch assembly (for rear RH door) may be malfunctioning.

  5. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY LH (for Driver Door)

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    1. Disconnect the K9 power window regulator motor assembly LH (for driver door) connector.

    2. Measure the voltage and resistance according to the value(s) in the table below.

      Tech Tips

      Measure the values on the wire harness side with the connector disconnected.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      K9-1 (E) - Body ground W-B - Body ground Ground Always Below 1 Ω
      K9-2 (B) - Body ground W - Body ground Power supply Power switch off 11 to 14 V

      If the result is not as specified, there may be a malfunction in the wire harness.

    3. Reconnect the K9 power window regulator motor assembly LH (for driver door) connector.

    4. Measure the voltage according to the value(s) in the table below.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      K9-4 (AUTO) - K9-1 (E) B - W-B Power window motor AUTO UP input Power switch on (IG), driver door power window fully open 11 to 14 V
      K9-4 (AUTO) - K9-1 (E) B - W-B Power window motor AUTO UP input Power switch on (IG), driver door power window moving, power window regulator switch assembly fully pulled up (Automatic operation) Below 1 V
      K9-4 (AUTO) - K9-1 (E) B - W-B Power window motor AUTO UP input Power switch on (IG), driver door power window fully closed 11 to 14 V
      K9-4 (AUTO) - K9-1 (E) B - W-B Power window motor AUTO DOWN input Power switch on (IG), driver door power window fully closed 11 to 14 V
      K9-4 (AUTO) - K9-1 (E) B - W-B Power window motor AUTO DOWN input Power switch on (IG), driver door power window moving, power window regulator switch assembly fully pushed down (Automatic operation) Below 1 V
      K9-4 (AUTO) - K9-1 (E) B - W-B Power window motor AUTO DOWN input Power switch on (IG), driver door power window fully open 11 to 14 V
      K9-5 (LED) - K9-1 (E) Y - W-B LED illumination signal Power switch on (IG) 11 to 14 V
      K9-5 (LED) - K9-1 (E) Y - W-B LED illumination signal Approximately 43 seconds after power switch turned off Below 1 V
      K9-7 (DWN1) - K9-1 (E) V - W-B Power window motor DOWN input Power switch on (IG), driver door power window regulator switch not pushed or pulled 11 to 14 V
      K9-7 (DWN1) - K9-1 (E) V - W-B Power window motor DOWN input Power switch on (IG), driver door power window regulator switch pushed halfway down (Manual operation) Below 1 V
      K9-7 (DWN1) - K9-1 (E) V - W-B Power window motor DOWN input Power switch on (IG), driver door power window fully closed 11 to 14 V
      K9-7 (DWN1) - K9-1 (E) V - W-B Power window motor DOWN input Power switch on (IG), driver door power window regulator switch fully pushed down (Automatic position) Below 1 V
      K9-7 (DWN1) - K9-1 (E) V - W-B Power window motor DOWN input Power switch on (IG), driver door power window fully open 11 to 14 V
      K9-10 (UP1) - K9-1 (E) L - W-B Power window motor UP input Power switch on (IG), driver door power window regulator switch not pushed or pulled 11 to 14 V
      K9-10 (UP1) - K9-1 (E) L - W-B Power window motor UP input Power switch on (IG), driver door power window regulator switch pulled halfway up (Manual operation) Below 1 V
      K9-10 (UP1) - K9-1 (E) L - W-B Power window motor UP input Power switch on (IG), driver door power window fully open 11 to 14 V
      K9-10 (UP1) - K9-1 (E) L - W-B Power window motor UP input Power switch on (IG), driver door power window regulator switch fully pulled up (Automatic operation) Below 1 V
      K9-10 (UP1) - K9-1 (E) L - W-B Power window motor UP input Power switch on (IG), driver door power window fully closed 11 to 14 V

      If the result is not as specified, the power window regulator motor assembly LH (for driver door) may be malfunctioning.

  6. CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

    1. Disconnect the MB and I12 main body ECU (multiplex network body ECU) connectors.

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    2. Measure the voltage and resistance according to the value(s) in the table below.

      Tech Tips

      Measure the values on the wire harness side with the connectors disconnected.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      MB-11 (GND1) - Body ground - Ground Always Below 1 Ω
      MB-30 (BECU) - Body ground - Auxiliary battery power supply Power switch off 11 to 14 V
      I12-3 (GND2) - Body ground W-B - Body ground Ground Always Below 1 Ω
      MB-29 (ACC) - Body ground - ACC power supply Power switch on (ACC) 11 to 14 V
      MB-29 (ACC) - Body ground - ACC power supply Power switch off Below 1 V
      MB-31 (ALTB) - Body ground - Auxiliary battery power supply Power switch off 11 to 14 V
      MB-32 (IG) - Body ground - Power switch power supply Power switch on (IG) 11 to 14 V
      MB-32 (IG) - Body ground - Power switch power supply Power switch off Below 1 V

      If the result is not as specified, there may be a malfunction in the wire harness.

    3. Reconnect the MB and I12 main body ECU (multiplex network body ECU) connectors.

    4. Measure the voltage according to the value(s) in the table below.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      3C-15 (FLCY) - Body ground L - Body ground Front door courtesy switch LH input Front door LH open Below 1 V
      3C-15 (FLCY) - Body ground L - Body ground Front door courtesy switch LH input Front door LH closed 11 to 14 V
      I13-19 (FRCY) - Body ground SB - Body ground Front door courtesy switch RH input Front door RH open Below 1 V
      I13-19 (FRCY) - Body ground SB - Body ground Front door courtesy switch RH input Front door RH closed 11 to 14 V
      I13-11 (L2) - Body ground R - Body ground Driver door key-linked lock input Driver door key cylinder turned to lock Below 1 V
      I13-11 (L2) - Body ground R - Body ground Driver door key-linked lock input Driver door key cylinder off Pulse generation
      I13-24 (UL3) - Body ground GR - Body ground Driver door key-linked unlock input Driver door key cylinder turned to unlock Below 1 V
      I13-24 (UL3) - Body ground GR - Body ground Driver door key-linked unlock input Driver door key cylinder off Pulse generation

      If the result is not as specified, the main body ECU (multiplex network body ECU) or instrument panel junction block assembly may be malfunctioning.

  7. CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

    1. Disconnect the I87 and I86 certification ECU (smart key ECU assembly) connector.

      A011YM3E04

    2. Measure the voltage and resistance according to the value(s) in the table below.

      Tech Tips

      Measure the values on the wire harness side with the connector disconnected.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      I87-5 (+B) - Body ground SB - Body ground Auxiliary battery power supply Power switch off 11 to 14 V
      I86-1 (E) - Body ground W-B - Body ground Ground Always Below 1 Ω

      If the result is not as specified, there may be a malfunction in the wire harness.

    3. Reconnect the I87 and I86 certification ECU (smart key ECU assembly) connector.

    4. Measure the voltage and check for pulses according to the value(s) in the table below.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      I87-16 (IG) - Body ground LG - Body ground IG power supply Power switch off Below 1 V
      I87-16 (IG) - Body ground LG - Body ground IG power supply Power switch on (IG) 11 to 14 V
      O2-15 (RCO) - I86-1 (E) G - W-B Door control receiver power source

      • Power switch off

      • Transmitter switch not pressed

      		 Below 1 V
      O2-15 (RCO) - I86-1 (E) G - W-B Door control receiver power source

      • Power switch off

      • Lock or unlock transmitter switch pressed

      		 4.5 to 5.5 V
      O2-6 (RDAM) - I86-1 (E) Y - W-B Door control receiver data input signal Power switch off Pulse between 11 to 14 V occurs regularly

      If the result is not as specified, the certification ECU (smart key ECU assembly) may be malfunctioning.